/**
 * Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright ownership. Apereo
 * licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use
 * this file except in compliance with the License. You may obtain a copy of the License at the
 * following location:
 *
 * <p>http://www.apache.org/licenses/LICENSE-2.0
 *
 * <p>Unless required by applicable law or agreed to in writing, software distributed under the
 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apereo.portal.json;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import java.io.IOException;
import javax.portlet.WindowState;
import org.apache.commons.lang.StringUtils;
import org.apereo.portal.portlet.PortletUtils;

public class WindowStateModule extends SimpleModule {
    private static final long serialVersionUID = 1L;

    public WindowStateModule() {
        super("WindowStateModule");

        this.addSerializer(WindowState.class, ToStringSerializer.instance);
        this.addDeserializer(WindowState.class, new WindowStateDeserializer());
    }

    private static class WindowStateDeserializer extends StdDeserializer<WindowState> {
        private static final long serialVersionUID = 1L;

        public WindowStateDeserializer() {
            super(WindowState.class);
        }

        @Override
        public WindowState deserialize(JsonParser jp, DeserializationContext ctxt)
                throws IOException, JsonProcessingException {

            final String text = StringUtils.trimToNull(jp.getText());
            if (text == null) {
                return null;
            }
            return PortletUtils.getWindowState(text);
        }
    }
}
